起落架的英文：
undercart

tripod landing gear
【航空】三轮起落架

a plane retracting its landing gear.
正在拉回起落架的飞机

Great ideas need landing gear as well as wings
伟大的思想需要起落架,也需要双翼

The sound you just heard is the landing gear locking into place.
刚才你们听到的是飞机起落架放下的声音。

The rapid downward motion of the fuselage is stopped by the impact through the landing gear
起落架与地面的撞击阻止了机身迅速地向下运动。

undercarriage skid
起落架橇

Raise/lower the undercarriage
收起[放下]起落架.

landing gear downlock override switch
起落架下位锁超控电门

The undercarriage on light aircraft does not always retract in flight.
轻型飞机飞行时起落架不一定缩回。

The plane is still circling above our airport, its landing gear may be funny.
飞机仍在机场上空盘旋，起落架估计出故障了。